2 open source boards using the AT28C64
Real designs built with the AT28C64, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
Zx81-external rom with display
zxinfo-diy-electronics
84.2 × 53.8 mm17 parts2LNo license2
Display back
Velko
62.2 × 21.6 mm34 parts4LMIT16
The AT28C64 in open source designs
The gallery holds 2 open source boards using the AT28C64 from 2 GitHub repositories; a typical one measures about 73.2 × 37.7 mm and carries around 26 components.
50% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is Display back by Velko.
What boards using the AT28C64 are built for
AT28C64: common questions
Where can I find a AT28C64 reference design?
Each of the 2 boards on this page is a real design using the AT28C64. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
How big is a typical board using the AT28C64?
The median is 73.2 × 37.7 mm, and 50% are two-layer designs.
What is the most popular open source board using the AT28C64?
By GitHub stars, Display back by Velko, with 16 stars.
Can I simulate one of these boards using the AT28C64 before building it?
Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.